There's no way in Drupal core to export block configuration settings to Features and get it into version control. This snippet helps you to deploy changes to blocks.
A little Wordpress plugin to ease the deployment of database updates between environments similar to Drupal's hook_update_N()
Managing Mollom form configurations in Drupal using hook_update() and hook_install()
Using Drupal's hook_query_alter() to restrict the items shown in the Media library to those uploaded by the current user